The Muscles of the Body Muscles of the

The Muscles of the Body

Muscles of the Skull 16) Frontalis • Function: moves your eyebrows 17) Sternocleidomastoid (SCM) • Function: flexes/extends head • Function: rotate head right/left 18) Masseter • Function: chewing, clenching of jaw

Muscles of the Upper Arm 3. Biceps • Function: flexion of the elbow 8. Triceps • Function: extension of elbow

Muscles of the Anterior Trunk 2) Pectoralis muscles • “Pecs” • Function: Flexion/extension of shoulder • Function: Adduction of shoulder 1) Deltoid • • “Delts” Covers all of the shoulder Function: adduction/abduction of shoulder Function: flexion/extension of shoulder

Muscles of the Lower Anterior Trunk 4) Rectus abdominis • “ 6 -pack” • Function: flexion of the trunk • Function: hip flexion 14) Oblique muscles • Sides of trunk • Function: trunk rotation • Function: side flexion

Muscles of the Posterior Trunk 10) Trapezius traps • Function: extension of scapula • Function: elevation/depression of scapula 11) Latissimus Dorsi lats • Function: adduction of shoulder • Function: extension of shoulder 15 Erector Spinae • Function: extension of spine

Practice

Name that muscle of the Upper Body

Muscles of the Anterior Upper Leg 6) Quadriceps • “Quads” • Function: extension/flexion of the knee • 19) IT Band (Tensor Fasciae Latae) • Function: keeps balance • 5) Adductor Muscles • “Groin” • Function: adduction of the hip

Muscles of the Posterior Upper Leg 9) Gluteus Muscles • • “Glutes” Function: abduction of the hip Function: extension/flexion of the hip Function: rotation of the hip 12) Hamstrings • Function: flexion of knee • Function: extension of hip

Muscles of the Lower Leg 7) Tibialis Anterior • • • Anterior side Muscle on tibia bone Function: flexion of foot Function: inversion of foot Function: extension of toes 13)Gastrocnemius • • “calf muscles” Posterior side Function: flexion of the knee Function: extension of foot

Practice

Name that muscle